Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Quantos touchdowns o left guard marcou?
 ###Tabelas: CREATE TABLE michigan_65_ohio_wesleyan_0 (michigan_65_ohio_wesleyan_0_id AUTO_INCREMENT PRIMARY KEY, Player VARCHAR, Position VARCHAR, Starter VARCHAR, Touchdowns INT, Extra points INT, Field goals INT, Points INT) CREATE TABLE top_projects_by_funds_raised (top_projects_by_funds_raised_id AUTO_INCREMENT PRIMARY KEY, Rank INT, Total USD INT, Project name VARCHAR, Creator VARCHAR, Category VARCHAR, % funded INT, Backers INT, Closing date VARCHAR) CREATE TABLE kei_and_ki_indexes_by_country (kei_and_ki_indexes_by_country_id AUTO_INCREMENT PRIMARY KEY, Country VARCHAR, KEI VARCHAR, KI VARCHAR, Economic Incentive Regime VARCHAR, Innovation VARCHAR, Education VARCHAR, ICT VARCHAR, 2008 Rank INT) CREATE TABLE singles:_23_15–8 (singles:_23_15–8_id AUTO_INCREMENT PRIMARY KEY, Outcome VARCHAR, Date VARCHAR, Tournament VARCHAR, Surface VARCHAR, Opponent in the final VARCHAR, Score in the final VARCHAR) CREATE TABLE under_u.s._jurisdiction_territorial (under_u.s._jurisdiction_territorial_id AUTO_INCREMENT PRIMARY KEY, Name VARCHAR, Date of Execution VARCHAR, Crime VARCHAR, Method VARCHAR, Race VARCHAR)  
SELECT MAX Touchdowns FROM michigan_65_ohio_wesleyan_0 WHERE Position = Left guard